1957 The Monster That Challenged the World Giants Mollusks are released from the earth by an earthquake and start killing people. Credits Director Arnold Laven Producers Jules V. Levy , Arthur Gardner Writers David Duncan , Pat Fielder Cinematographer Lester White Editor John Faure Composer Heinz Roemheld Casting Kerwin Coughlin Cast Tim Holt , Audrey Dalton , Hans Conried , Barbara Darrow , Max Showalter , Harlan Warde , Gordon Jones , Mimi Gibson , Marjorie Stapp , Jody McCrea Studios United Artists , Gramercy Pictures, Inc. Genres Science Fiction Horror External IMDb Amazon Posters 5